The Chapter of Notre Dame of Paris charges a canon to come to an agreement with Giuliano Buonacorsi, the executor of Rosso’s will, on the estimation of Rosso’s prebend.

Paris, National Archives, LL 142, p. 324.

Conveniet dominus Morin cum domino thesauraris Bonacursi super estimationè grossi prebende defuncti domini de Rossis.  (In the margin=) De Rossis.¹